County ZIP codes · Texas · FIPS 48431

Sterling County, TX ZIP Codes

Sterling County, Texas has 2 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 1 of the residential ones lie mainly in Sterling County and 1 mainly in a neighboring county; 1 cross the county line.

ACS2020-24
Census2020

Where are the ZIP codes of Sterling County?

The residential ZIP codes of Sterling County (whole outlines, including the parts in neighboring counties), shaded by median household income in national fifths (ACS 2020-2024).<$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

All 2 residential ZIP codes in Sterling County

1 ZIP code lies mainly in Sterling County; 1 more reaches into it from a neighboring county and follows the first table.

Residential ZIP codes mainly in Sterling County, largest first; "In this county" is the share of the ZIP's land in the county
						In this county
76951	Sterling City	1,468	2	$65k	$147k	100%

Partly in Sterling County

Residential ZIP codes mainly in another county that reach at least 1% into Sterling County, by their share here
						In this county
76945	Robert Lee	1,689	3	$37k	$67k	1%

Download the 2 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).

Which ZIP codes cross the county line?

1 ZIP code of Sterling County extends into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Sterling County and in the neighboring counties
ZIP	In Sterling	Elsewhere
76945	1%	Coke County95%; Tom Green County4%

Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).

Which first three digits do Sterling County's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Sterling County starts with 769.

Three-digit prefixes of Sterling County's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Sterling County's
Prefix	Sectional center	Here	All codes
769	Abilene, TX (SCF 795)	2	27

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.